• Innovative, stylish and ‘green’ Lakeside offices for Exxaro

    By Ilana Koegelenberg and Brandon Huddle from Aurecon
    The development team’s efforts surpassed its targets to achieve a 5-Star Green Star SA Design certification which will be confirmed with an ‘As-Built’ rating application once the building is fully functioning.

  • Oracle’s new ‘green’ HVAC system

    By Bradley Komen of Graeme Page Consulting Engineers
    When Oracle moved into its new state-of-the-art offices, it choose to move away from a chilled water system to a VRV that would allow them to optimise efficiency and future maintenance.

  • New cold storage for Chilleweni

    Chilleweni Cold Storage was a greenfield project where the main objective was to build a new cold storage facility complete with central two-stage ammonia refrigeration plant to supply cooling to all the various cold rooms.


ASHRAE speakers raise the training bar

By Ilana Koegelenberg

The three short courses presented during FRIGAIR by the internationally acclaimed ASHRAE presenters were very well attended, with overwhelmingly positive feedback from all delegates who came from all over to learn from the experts.

The courses were incredibly popular and industry professionals from across the country (and continent) jumped at the opportunity to learn from such incredibly knowledgeable presenters. Consultants, contractors, suppliers, and even delegates from Netcare and Eskom were in attendance for the three-hour sessions.

The three courses took place from 6 to 7 June in one of the conference rooms above Gallagher Convention Centre’s Hall 5, just to the side of the main exhibition. Each course offered 0.3 continuing professional development (CPD) points and delegates got to take home a certificate as well as the valuable course material.

The three courses were as follows:

Designing and operating high-performing health care HVAC systems was the first course and was presented by Daniel Koenigshofer from the US. He is the vice-president for Health Care at Dewberry Engineers Inc. and has over 35 years of engineering and project management experience, specialising in master planning, troubleshooting, and solving engineering problems in health care facilities.

This advanced course discussed the design and operation of HVAC systems for health care facilities. It detailed the key elements of high-performing health care HVAC systems, including infection control, comfort, reliability, safety, maintenance, energy, and flexibility.

Variable refrigerant flow (VRF) systems: design and application took place on the afternoon of 6 June and was presented by Dr Hesham Safwat from Egypt. With many years of experience in the industry, Dr Safwat joined the British University in Egypt in 2014 as lecturer in the Department of Mechanical Engineering.

This course provided non-manufacturer-specific concepts of the unique operational characteristics of variable refrigerant flow (VRF) systems and how to apply VRF systems to a wide range of building types.

Basics of high-performance building design took place on the afternoon of 7 June and was presented by Dr Tom Lawrence. He is a senior public service associate and coordinator for the mechanical engineering degree programme at the University of Georgia, and has 30+ years of professional engineering experience.

This course focused on the basic application of relevant ASHRAE resources, such as Standards 90.1, 55, 62.1, and 189.1, and the ASHRAE Green Guide, to achieve high-performance building design. The course explained the differences in purpose and requirements between these various standards, and provided recommendations on the selection of which requirements to adopt into a building project.

We were fortunate enough to have the speakers stay for the duration of the show and not only did they walk around the exhibition, they also attended the SAIRAC breakfast on 7 June and did a great job of mingling with the local industry.

It was a great privilege to have such esteemed guests in our midst. As before, the ASHRAE courses was an incredible asset to the FRIGAIR show and ensured that many of the high-profile guests that exhibitors really wanted to interact with, made time in their diaries to come to Midrand.

Positive feedback

I would say that these events were really world-class and impressive. But you don’t have to take my word for it. After the course, we asked a few of the delegates what they thought of the presentations.

  • “It was fantastic! Please continue with the ASHRAE courses — there is a need for those. The presenter was excellent!”
    Pieter de Bod, technical director of WSP
  • “The ASHRAE courses were quite informative and to a larger extent, an eye opener for most of the delegates.”
    Basil Mugwagwa, utilities engineer at Aspen Pharmacare
  • “It is rare to get a technical speaker of this calibre in South Africa — not only is he actively involved in shaping the HVAC landscape through his work at ASHRAE, he also brought practical experience as a consultant. It was indeed a privilege to have attended this course.”
    Peter Schilder, Saftek Consulting
  • “The ASHRAE course that I attended was very informative. I would say that the ASHAE courses are needed in our industry as they present a neutral, non-product-specific view (it’s not promoting anyone but helping everyone).”
    Siyabonga Mngomezulu, AC supervisor at Eskom Arnot Power Station
  • “I think the VRF talk covered the core of the subject’s theory very well, with some worked-out examples to gain further insight from. (Engineers tend to learn much from applied examples.)”
    Marius La Grange, manufacturing/engineering manager at EP | Refrigeration Solutions
  • “The course was very interesting and informative. The presenter had a great understanding of the subject matter. My only criticism is that three hours was not enough time for all the information on the topic!”
    Barry Wallet, managing director of RPM Engineering Group
  • “I enjoyed the course on high-performance buildings. I felt that it gave a great overview of techniques to incorporate efficiency into our designs. I also learnt a lot about factors that I have never thought of, such as how a saturated area can be hotter than sparsely populated areas in the same town, for example.”
    Luca Campodonico, mechanical engineer at CKR Consulting
  • “I only attended the one course and it was phenomenal! It was honestly one of the best courses I have attended. The only regret I have is that I didn’t attend the other two courses. It was a really well-organised event, a professional course, and an excellent speaker. I can’t wait for the next courses!”
    Craig Blankers, mechanical engineer at WSP
  • “I found the courses very informative and useful. It was great to have the opportunity to listen to the presenters, who are very knowledgeable in their field.”
    Robert Fox, costing estimator at Club Refrigeration

Click here to read the August 2018 issue of RACA Journal


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